10324221221 has 2 divisors, whose sum is σ = 10324221222. Its totient is φ = 10324221220.

The previous prime is 10324221217. The next prime is 10324221251. The reversal of 10324221221 is 12212242301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8833180225 + 1491040996 = 93985^2 + 38614^2 .

It is a cyclic number.

It is not a de Polignac number, because 10324221221 - 2² = 10324221217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10324221193 and 10324221202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10324221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5162110610 + 5162110611.

It is an arithmetic number, because the mean of its divisors is an integer number (5162110611).

Almost surely, 2^10324221221 is an apocalyptic number.

It is an amenable number.

10324221221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10324221221 is an equidigital number, since it uses as much as digits as its factorization.

10324221221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10324221221 its reverse (12212242301), we get a palindrome (22536463522).

The spelling of 10324221221 in words is "ten billion, three hundred twenty-four million, two hundred twenty-one thousand, two hundred twenty-one".